0000。 According to the inquiry of Zhengxing official website, the initial password of Zhengxing tanker is: 0000. The tanker of the satellite card machine is equipped with the connection configuration of the satellite card machine. First, change the tanker mode (not the background offline mode). Zhengxing Technology Co., Ltd. is a non-state-owned enterprise established in 1992, and was recognized as a high-tech enterprise by Henan Science and Technology Commission in 1998.